Lab Procedures

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Students can find protocols on the lab share drive. A subset of protocols is avaliable below. These files are currently microsoft word documents, they will be changed to .htm documents soon.

Ashing Protocol - method to determine ash free oven dry mass of any sample.

Chloroform Fumigation - We use the chloroform fumigation method to measure microbial biomass Nitrogen. After soil samples have been extracted with potassium sulfate solution and digested, the digestate is run on a Lachat automated ion analyzer to determine total Kjeldahl Nitrogen.

Digestion Protocol for Plant or Soil Samples - Samples are then analyzed for TKP and TKN.

Potassium Sulfate Extraction -

Potassium Sulfate Extraction Digestion - This is the method we use to digest potassium sulfate extractions which are then analyzed for Total Kjeldahl Nitrogen.

Soil Moisture Protocol

Soil Texture Protocol

CID CI-600 Root Observation System